Bosch FAS-420-TM-R Operation Manual
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Bosch FAS-420-TM-R Operation Manual

Bosch FAS-420-TM-R Operation Manual

Aspiration smoke detector lsn improved
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Summary of Contents for Bosch FAS-420-TM-R

  • Page 1 Aspiration smoke detector LSN improved FAS‑420‑TM series Operation guide...

  • Page 3: Table Of Contents

    Pipe Planning with Pipe Accessories 4.6.3 Planning with air filter 4.6.4 Opening Diameter Planning with single-hole monitoring 4.7.1 I-pipe system 4.7.2 U-pipe system 4.7.3 M-pipe system 4.7.4 Double U‑pipe system Simplified pipe planning Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 4 Functional Test of Airflow Sensors 7.7.1 Preparations for the Functional Test 7.7.2 Conducting the Functional Test Fire Source Identification Commissioning Maintenance Visual check Detection Module and Alarm Transfer Pipe System 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 5 Without any other pipe accessories 9.2.2 With water separator Planning with Air Filter 9.3.1 Without Any Other Pipe Accessories 9.3.2 With water separator Test Log for Aspirating Smoke Detectors in the FAS‑420‑TM Series Index Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 6: Safety

    Arbitrary constructional changes to the smoke aspiration system – Acts of God. Bosch Sicherheitssysteme GmbH, hereinafter referred to as Bosch, assumes no liability for damage or malfunction arising through failure to comply with this operation guide. Caution! The equipment may only be installed by authorized and qualified personnel! Copyright The copyright to this operation guide remains with Bosch.

  • Page 7: Disposal

    You can also pinpoint the exact location of the fire using the innovative fire source identification operation. FAS-420-TM Aspiration smoke detector series were developed specifically for connection to Bosch fire panels with LSN improved version technology and therefore offer the following extended features: –...

  • Page 8: Areas Of Application

    Thanks to their detection principle, FAS-420-TM aspirating smoke detectors represent an extremely versatile fire protection solution. Principle Air samples are taken from the monitoring range by a pipe system with defined aspiration borings and then fed to the detection module. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 9 In ventilation ducts – In double floors, false ceilings – In IT rooms, e-distributor rooms, transformer cells – On air-conditioning units (see figure below) or – In the bypass in air-conditioning ducts. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 10 Equipment monitoring involves the direct monitoring of an object. These can be unventilated or force-cooled units or cabinets, e.g. – Distributor cabinets, switching cabinets – Telephone-switching equipment – Measuring, control, and regulation equipment. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 11: System Overview

    To guarantee reliable operation even under the most difficult conditions (clean rooms, recycling area), there are numerous accessories available, such as air filters and water separators (see Pipe system components, page 20 ). Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 12: Functions

    As soon as the system has switched to alarm state as a result of a rise in the concentration of smoke particles typical of a fire, the alarm is signaled. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 13 On the basis of this time, the location of the smoke source can be accurately traced to one of the monitored areas. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 14 Malfunctions caused by brief environmental fluctuations can be eliminated with a time-delayed setting. Airflow Monitoring An airflow sensor checks the connected pipe system for breakage and obstruction. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 15 A pipe system with an overall length of up to 50 m can be connected to FAS-420-TM series Aspirating Smoke Detectors over a maximum of 12 aspiration points. A maximum of 5 aspiration points can be connected with ROOM·IDENT. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 16: Fas-420-Tm Aspiration Smoke Detector Series And Accessories

    FAS‑420‑TM‑RVB: optical displays for fire source identification, internal alarm and main alarm, malfunction and operation, smoke level display Information on other accessories for special applications can be found in FAS‑ASD‑DIAG Diagnostic Software, page 19 – Ceiling lead-through, page 22 – 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 17: Connections

    Cable bushing for connection of fire panel 2 x M 25 and additional power supply (input/ output) Cable bushing for connection of fire panel 8 x M 20 and additional power supply (input/ output) Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 18: Fas-420-Tm Leds

    60% smoke level Malfunction Yellow Malfunction – in the pipe system – in the detection module – caused by fan failure Smoke level display 1 Current smoke level to 10 yellow LEDs 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 19: Fas-Asd-Diag Diagnostic Software

    If the FAS‑420‑TM‑R and FAS‑420‑TM‑RVB device variants with fire source identification are used, the FNS‑420‑R LSN Strobes can be assigned to the various monitoring ranges and, in the event of a fire, the location of the fire can be identified. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 20: Pipe System Components

    In areas that are susceptible to dust particles or icing, it may be necessary to blow out the aspiration pipe system and its air sampling openings. The figure below shows a manual blowing-out system with a three-way tap. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 21: Air Sampling Openings

    Air sampling opening with aspiration reducing film sheet and marking tape Aspiration reducing clips In areas susceptible to obstructions or icing, special, patented ASD aspiration clips with flexible aspiration reductions are used (see figure below). Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 22: Ceiling Lead-Through

    The aspiration reductions with plastic clips are available separately. 3.6.3 Ceiling lead-through Ceiling T-fitting Pipe system Complete ceiling lead- through Aspiration hose for ceiling lead-through False ceiling Knurled nut Aspiration reducing film sheet Aspiration Ceiling lead-throughs 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 23: Air-Return Pipe For Pressure Areas And Atmospheric Loads

    The standard air filter used is the type FAS-ASD-FL, consisting of a plastic housing with two pipe connections. If the air filters are dirty, then the filter inserts must be changed by opening the filter housing. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 24: Water Separator For Humid Areas

    The FAS-ASD-WS Water Separator is integrated at the lowest point in the pipe system downstream of the air filter and the aspirating smoke detector. The 45° pipe elbow permits optimum distance from the wall. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 25: Scope Of Delivery: Smoke Aspiration System

    F.01U.033.505 USB port RAS Test Pipe Test Pipe 4.998.148.848 RAS Test Adapter Test Adapter 4.998.148.849 Pipe system components Designation Order number FAS‑ASD‑PHF16 Polywell aspiration hose, flexible, black, halogen- F.01U.029.719 free Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 26 Aspiration reducing film sheet 4.6 mm AF-4.6, 10 units. 4.998.143.427 Aspiration reducing film sheet 5.0 mm AF-5.0, 10 units. 4.998.143.428 Aspiration reducing film sheet 5.2 mm AF-5.2, 10 units. 4.998.143.429 Aspiration reducing film sheet 5.6 mm AF-5.6, 10 units. 4.998.143.430 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 27: Technical Specifications

    Operation Green LED – Malfunction Yellow LED – Alarm 1 red LED for main alarm – Infrared port IR transmitter/receiver LEDs on FAS-420-TM-R – Operation Green LED – Malfunction Yellow LED – Alarm 1 red LED for main alarm –...
  • Page 28 Permissible relative humidity (non- Max. 95% condensing) Special features Sound power level (at 9 V fan voltage) 40 dB(A) Response sensitivity (light obscuration) 0.5 to 2.0%/m Life cycle of fan (at 12 V and 24 °C) 60,000 hrs 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 29: Pipe System

    -30 °C to +70 °C range Three way tap (FAS‑ASD‑3WT) Features With 3 transition threads for connection to a 25 mm pipe system Operating pressure Max. 10 bar Housing material PVC plastic Seal Teflon (PTFE) Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 30: Planning

    Detection of failure of a Single-hole monitoring planning, page single-hole single opening planning monitoring, page Equipment protection/ Simplified pipe planning Standard pipe Simplified pipe cabinet monitoring planning, page planning, page 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 31: Principles Of Pipe Planning

    1:2. – The distance between neighboring air sampling openings on the smoke aspiration pipe must be equal (should not exceed ± 20% deviation). Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 32 Double U-pipe: pipe system that branches symmetrically into four pipe branches. FAS / FCS I-pipe system U-pipe system FAS / FCS M-pipe system Double U-pipe system FAS / FCS FAS / FCS Pipe configurations 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 33: Airflow Monitoring

    (e.g. following tampering with the pipe system). If the dynamic airflow sensors were activated via the diagnostic software, note the following restrictions. Restrictions Airflow monitoring may only be set to level I if Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 34: Defining The Response Sensitivity

    Depending on the number of air sampling openings, fire sensitivity classes A, B and C can all be achieved with the detection modules available. The table shows the sensitivities you can choose from 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 35: Planning Limits

    (see Standard pipe planning, page 36 ). Notice! The planning limits specified in this operation guide may be restricted in line with country- specific regulations. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 36: Standard Pipe Planning

    Note sampling openings (Number of air sampling the possible sensitivity classes. openings, 4) Result: Specified detection module with specified setting and alarm threshold 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 37: Planning With Air Filter

    Planning with Air Filter, page 91 . Abbreviation Meaning Sensitivity (% LT/m) Main alarm Internal alarm l [m] Permissible total pipe length in meters 4.6.3 Planning with air filter Sensitivity Number of openings (% LT/m) Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 38: Opening Diameter

    ≥ 9 V fan voltage, max. 50 m total pipe length 4.6.4 Opening Diameter I‑pipe system 1 pipe system FAS / FCS FAS-420-TM FAS-420-TM-R FAS-420-TM-RVB I-pipe system for space protection I‑pipe system Air sampling Number of air sampling openings opening 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 39 FAS-420-TM FAS-420-TM-R FAS-420-TM-RVB M-pipe system M-pipe system Air sampling Number of air sampling openings opening Ø of air sampling openings in mm Punch diameter of the aspiration reducing film sheet Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 40: Planning With Single-Hole Monitoring

    Min. distance between 2 air sampling openings (d) 4 m Max. distance between 2 air sampling openings (d) 10 m Max. number of air sampling openings (n) per pipe system 5 units 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 41: U-Pipe System

    U-pipe system for space protection Min. distance FAS-420-TM - 1st air sampling opening Max. distance FAS-420-TM - 1st air sampling opening 20 m Max. branch length 25 m Max. total pipe length per pipe system Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 42 If 3 of a total of 8 air sampling openings are found to be obstructed, airflow monitoring must be set to ± 25% using the FAS‑ASD‑DIAG Diagnostic Software. Notice! When planning in accordance with EN 54‑20 or ISO 7240-20, airflow monitoring must always be set to 20%. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 43: M-Pipe System

    ± 30% ± 15% per pipe system 2 obstructed openings ± 30% 3 obstructed openings 4 obstructed openings 5 obstructed openings 6 obstructed openings 0 not practical - not possible Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 44: Double U-Pipe System

    Punch diameter of the aspiration reducing film sheet Double U‑pipe system activation thresholds Double U‑pipe system Number of obstructed air Number of air sampling openings sampling openings Activation threshold 1 obstructed opening ± 15% per pipe system 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 45: Simplified Pipe Planning

    – Pipe Ø 25 mm 30 m – Additional pipe Ø 12 mm 5 x 3 m Max. number of air sampling openings (n) per pipe 5 units system Min. distance between 2 air sampling openings 0.1 m Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 46: U-Pipe System - Simplified Planning

    Min. distance between 2 air sampling openings 0.1 m Max. distance between 2 air sampling openings U‑pipe system Number of air sampling openings Ø of all air sampling openings in 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 47: M-Pipe System - Simplified Planning

    Punch diameter of the aspiration reducing film sheet 4.8.4 Double U‑Pipe System - Simplified Planning 1 pipe system FAS / FCS FAS-420-TM FAS-420-TM-R FAS-420-TM-RVB Double U‑pipe system, e.g. for equipment protection Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 48: Project Planning With Branch Pipes

    Punch diameter of the aspiration reducing film sheet 4.8.5 Project planning with branch pipes Project planning with branch pipe are suitable for sampling points which are located distantly from the main run of the pipe system. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 49 Opening diameter The opening diameters are valid for the projected aspiration apertures in accordance with the chapter „Opening diameter for standard project planning“. FAS / FCS Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 50: Planning For Forced Airflow

    Flow speed Maximum 6 to 10 m/s > 10 m/s ducts Duct cross-section Large Small Difference pressures High along the flow direction The speed distribution in an air-conditioning duct appears as follows: 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 51 (see Installation location of the pipe system ) must be provided. – The pipe entries into the duct must be airtight. – The portion of the pipe system that is outside the duct must be sealed airtight. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 52 Note when planning that the air-conditioning ducts are often only accessible from two sides for installation of the pipe system. Example The figure below shows two planning examples of pipe systems in air-conditioning ducts. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 53: Planning With Air Sampling Hose

    50 m. The result for the maximum air sampling pipe inclusive air sampling hose is: Air sampling pipe length = 50 m - (12 m * 1.1) = 36.8 m. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 54: Planning With Air Return

    50 m. The result for the maximum air sampling pipe is: Air sampling pipe length = 50 m – (10 m * 1.6) = 48.4 m) 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 55: Power Supply

    The maximum line length is derived from the permissible voltage drop on the supply line. The permissible voltage drop is the difference between the end-point voltage of the backup battery (21.5 V) and the lower operating voltage limits of the aspirating smoke detectors. γ ∆U Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 56: Installing The Aspiration Smoke Detector

    Carrying out any potentially essential lightning and surge protection measures in compliance with relevant standards Warning! The equipment may only be installed by authorized and qualified personnel! Switch off the unit before carrying out any connection work! 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 57: Setting The Detector Address

    In order to prevent damage to the device, ensure that the installation location is not in a door opening area. The aspirating smoke detector can be installed with the aspiration device pointing upwards or downwards. Turn the detector module in the cover by 180° as applicable. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 58 In order to turn the detection module in the cover of the FAS-420-TM detection unit by 180°, proceed as follows: – Remove the four screws (see figure below for positions). – Now turn the cover and fasten the detection module again with the four screws. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 59 Cylinder or flat head screws – Maximum thread diameter: 4 mm – Head diameter: max. 8 mm Bore distances The distances of the borings for securing the FAS-420-TM are shown in the figure below. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 60 Make sure that the housing base is not fixed under mechanical tension and that the screws are not tightened too much. Otherwise, the device might be damaged or undesirable secondary noise may arise. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 61 Tighten the four screws of the detector module using a screwdriver (see Installation). Caution! The components on the PC boards must be protected against damage from electrostatic charging. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 62: Connection To The Fire Panel

    Feed the connection cable(s) (max. 2.5 mm²) through the prepared M20 or M25 cable entries into the device and cut to the required length inside the device. Wire the unit according to the connection information described below. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 63: Lsn Configuration

    Installing the Aspiration smoke detector | en Notice! The units are usually connected to an additional power supply. When connecting to a Bosch fire panel LSN improved version, the voltage is supplied via the AUX outputs of the Battery controller module. Alternatively, an external mains unit (e.g. FPP-5000 or UEV 1000) can be used.

  • Page 64: Settings Via The Fas-Asd-Diag Diagnostic Software

    Higher values are not permitted within EN 54‑20 or ISO 7240-20. Fire source identification With the device variants FAS-420-TM-R and FAS-420-TM-RVB, it is possible to assign each of the five monitored rooms a designation. To do this, click on the corresponding room and enter the designation for this room in the "Label"...

  • Page 65: Data Logging

    Temperature range -15 °C to +60 °C The pipe system must be constructed using the following pipes and the associated fittings: Exterior diameter Internal diameter PVC* Smoke aspiration 25 mm 21.4 mm 21.2 mm pipe Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 66 Close open pipe ends with an end cap. Notice! On completion, test the pipe system: For tightness For fault-free connections For correct planning of the air sampling openings. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 67: Length Change Of The Pipe System

    3 Marking tape for aspiration reducing film sheet Example of an aspiration boring with aspiration reducing 4 Air sampling opening film sheet 5 Fire red (RAL 3000) 6 Transparent Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 68 To keep the adhesive surfaces of the film sheets free of dust and grease, avoid touching them. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 69: Ceiling Lead-Through

    Detection at Intake and Exhaust Openings Caution! If the smoke aspiration occurs in a forced airflow (fan, air-conditioning units), direct the air sampling openings depending on the exhaust speed in the airflow. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 70: Detection In The Bypass

    To use the filter box in the pipe system, use the two PG29 filter screw connections supplied. – Install these cable glands in precisely the same way as for the pipe adapter, for example. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 71: Air-Return Pipe

    (see Length Change of the Pipe System, page 67 ). Three-way tap 1 Blast air/compressed air connection 2 Pipe system connection 3 Aspirating smoke detector connection 4 Air filter (optional) Installing the three-way tap Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 72: Water Separator

    FAS‑ASD‑WS Water Separator The FAS‑ASD‑WS Water Separator must be fitted at the lowest point in the pipe system downstream of the air filter and the aspirating smoke detector (see figure below). 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 73: Test Adapter

    However, this is not possible if the aspiration pipe system has to be permanently mounted. A test adapter should be used for this application. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 74: Commissioning

    Insert the FAS-420-TM detection module into the pre-mounted housing base that has been checked for correct wiring. Notice! When inserting the detection module, be aware of the mechanical coding, which protects the device against twisting. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 75: Calibrating The Airflow Sensor

    A barometer (measuring range from 0 up to 1300 mBar, resolution 1 mBar, accuracy 1mBar +/-1 digit) and a multimeter are required to calibrate the airflow sensor dependent on air pressure. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 76: Checking The Detection Module And Alarm Transfer

    Malfunction transmission occurs as part of checking the airflow monitoring system (as per section below). Check whether, when a pipe breakage and an obstruction are detected, the malfunction is displayed at the aspirating smoke detector and at the fire panel. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 77: Checking Airflow Monitoring

    PC and the FAS‑ASD‑DIAG Diagnostic Software. A full functional test using the digital precision pressure gauge is described below. A limited functional test can also be carried out without a digital precision pressure gauge. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 78: Preparations For The Functional Test

    You can use the diagnosis program to track the airflow values and the fault messages during the functional test. Information for installing the diagnostic software can be found in Preparation, page 74 . 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 79: Conducting The Functional Test

    [Initialising] button. The fault messages and indications must go out. The "Active Initialisation" field in the "Settings" screen of the diagnostic software flashes while initialization is in progress. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 80: Fire Source Identification Commissioning

    Click the [Train] button. This opens the view with adjustable values used to determine the transport times for fire source identification in areas A-E. First enter the number of air sampling openings. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 81: Maintenance

    The smoke must now be available at the selected aspiration point. The smoke level will display if smoke is detected by the FAS-420-TM-R FAS-420-TM-RVB. The display of the selected aspiration point turns green and the determined time is entered. Teaching mode for the selected aspiration point is exited.

  • Page 82: Replacing The Detection Module

    Replug the X4 jumper. – Retighten the four screws on the detection module using a screwdriver. – The unit is initialized automatically when the X4 jumper is replugged. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 83: Replacing The Air Filter In The Housing Base

    Then put the filter bracket back into position. – Retighten the four screws on the detection module using a screwdriver. Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 84: Filter Change On The Filterbox

    In applications with largely fine dust build-up, three fine dust filters can also be used (subject to separate order). Notice! Opening the housing cover of the filterbox causes an airflow malfunction in the FAS-420-TM. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 85: Blowing-Out Process For The Pipe System

    This nominal value then serves as a reference value for the additional evaluation of a possible airflow malfunction. Depending on the airflow threshold selected, the current airflow value during operation can Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 86 Monitoring, "Troubleshooting"). – If this check reveals no malfunctions, check the airflow monitoring by connecting the test pipe and conducting the functional test in accordance with Conducting the Functional Test. 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 87: Testing The Fire Source Identification

    Maintenance comprises regular inspections and maintenance routines. The smoke aspiration systems should be checked when commissioned and then quarterly. At each fourth check, more comprehensive checks should be made, as described below: Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 88: Appendix

    Addresses, page 89 . See also Setting the detector address, page 57 . The form in Test Log for Aspirating Smoke Detectors in the FAS‑420‑TM Series, page 92 is required for commissioning (see Commissioning, page 74 et seqq). 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 89: Dip Switch Settings For Detector Addresses

    Aspiration smoke detector LSN improved Appendix | en DIP Switch Settings for Detector Addresses 255=CL Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 90: Planning Without Air Filter

    | Appendix Aspiration smoke detector LSN improved Planning without air filter Sensitivity Number of openings (% LT/m) 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...

  • Page 91: Without Any Other Pipe Accessories

    Double U ≥9 9.2.2 With water separator Pipe shape Number of openings ≥9 ≥9 ≥9 Double U ≥9 Planning with Air Filter Sensitivity Number of openings (% LT/m) Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 92: Without Any Other Pipe Accessories

    ≥9 pipe lengt Double U ≥9 9.3.2 With water separator Pipe shape ≥9 ≥9 ≥9 Double U ≥9 Test Log for Aspirating Smoke Detectors in the FAS‑420‑TM Series Device number 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 93 Signal transmission to fire panel Cause eliminated, LED off Relay activates after drop below threshold Cause eliminated, LED saved Relay remains off for min. 100 secs Breakage malfunction LED flashes Relay fails after delay Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 94 Air sampling opening A [yes/no] Air sampling opening B [yes/no] Air sampling opening C [yes/no] Air sampling opening D [yes/no] Air sampling opening E [yes/no] Legend: + OK / - not OK 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 95 Aspiration smoke detector LSN improved Appendix | en Place: ..............Issuer: ..............Date: ............Signature: ............... Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...

  • Page 96: Index

    Special planning  8, 31 Equipment monitoring  10, 20, 32 Standby current  55 Symmetrical structure  31 FAS-ASD-DIAG Diagnostic Software  8, 16, 19, 25, 65, 74, 75, 77, 80, 87 Technical specifications  27 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 97  20, 26, 29, 72 Transport speed  33 Troubleshooting  77 U pipe system for space protection  41 U-pipe system  32 U-pipe system activation thresholds  42 Water separator  20, 24, 26, 29 Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 5.1 | F.01U.088.878...
  • Page 98 | Index Aspiration smoke detector LSN improved 2020.04 | 5.1 | F.01U.088.878 Operation guide Bosch Sicherheitssysteme GmbH...
  • Page 100 Bosch Sicherheitssysteme GmbH Robert-Bosch-Ring 5 85630 Grasbrunn Germany www.boschsecurity.com © Bosch Sicherheitssysteme GmbH, 2020...

This manual is also suitable for:

Fas-420-tmFas-420-tm seriesFas-420-tm-rvb

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